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中国精品科技期刊2020

包载山苍子油的醇溶蛋白纳米粒子对明胶膜结构和性能的影响

夏玉婷 娄尚荣 王岩 文梦婷 倪学文

夏玉婷,娄尚荣,王岩,等. 包载山苍子油的醇溶蛋白纳米粒子对明胶膜结构和性能的影响[J]. 食品工业科技,2022,43(23):259−266. doi:  10.13386/j.issn1002-0306.2022020062
引用本文: 夏玉婷,娄尚荣,王岩,等. 包载山苍子油的醇溶蛋白纳米粒子对明胶膜结构和性能的影响[J]. 食品工业科技,2022,43(23):259−266. doi:  10.13386/j.issn1002-0306.2022020062
XIA Yuting, LOU Shangrong, WANG Yan, et al. Effects of Zein Nanoparticles Loaded with Litsea cubeba Oil on the Structure and Properties of Gelatin Films[J]. Science and Technology of Food Industry, 2022, 43(23): 259−266. (in Chinese with English abstract). doi:  10.13386/j.issn1002-0306.2022020062
Citation: XIA Yuting, LOU Shangrong, WANG Yan, et al. Effects of Zein Nanoparticles Loaded with Litsea cubeba Oil on the Structure and Properties of Gelatin Films[J]. Science and Technology of Food Industry, 2022, 43(23): 259−266. (in Chinese with English abstract). doi:  10.13386/j.issn1002-0306.2022020062

包载山苍子油的醇溶蛋白纳米粒子对明胶膜结构和性能的影响

doi: 10.13386/j.issn1002-0306.2022020062
基金项目: 湖北工业大学绿色工业科技引领计划(CPYF2018004)。
详细信息
    作者简介:

    夏玉婷(1997−),女,硕士研究生,研究方向:食品化学及天然高分子材料,E-mail:xiayuting601@163.com

    通讯作者:

    倪学文(1977−),女,博士,教授,研究方向:食品化学及天然高分子材料,E-mail:nixuewen@126.com

  • 中图分类号: TS206.4

Effects of Zein Nanoparticles Loaded with Litsea cubeba Oil on the Structure and Properties of Gelatin Films

  • 摘要: 本文以明胶、玉米醇溶蛋白和山苍子油为基材,通过流延法制备包载山苍子油的醇溶蛋白纳米粒子/明胶复合膜,研究了纳米粒子与明胶的相互作用,以及不同纳米粒子添加量对复合膜的透光性、微观结构、热稳定性、机械性能、疏水性、抑菌和抗氧化性能的影响。结果表明,纳米粒子与明胶之间发生了氢键相互作用,具有良好的相容性。随着纳米粒子添加量的增大,复合膜的透明度显著降低,其疏水性和抗氧化性显著增强(P<0.05)。复合膜对大肠杆菌和金黄色葡萄球菌均具有明显的抑菌活性,其抑菌圈直径分别为(9.17~10.00) mm和(10.02~11.10) mm。当纳米粒子分散液添加量为30%(v/v)时,复合膜的截面最致密,其热稳定性最好,断裂伸长率最大。本研究为开发含有山苍子油的食品活性包装材料提供了一定的参考依据。
  • 图  1  复合膜的制备流程图

    Figure  1.  Preparation of blend films

    图  2  纯明胶膜和复合膜的紫外可见光谱图

    Figure  2.  UV-Vis spectra of gelatin film and blend films

    图  3  纯明胶膜和复合膜的横截面微观图

    Figure  3.  Scanning electron microscopy images of the cross section of gelatin film and blend films

    图  4  纯明胶膜和复合膜的红外图谱

    Figure  4.  Infrared spectra of gelatin film and blend films

    图  5  纯明胶膜和复合膜的差示扫描量热曲线

    Figure  5.  Differential scanning calorimetry curves of gelatin film and blend films

    图  6  纯明胶膜和复合膜的拉伸强度和断裂伸长率

    Figure  6.  Tensile strength and elongation at break of gelatin film and blend films

    注:同一指标不同字母表示差异显著(P<0.05),图7图8同。

    图  7  纯明胶膜和复合膜的水接触角(A)和水蒸气透过率(B)

    Figure  7.  Water contact angle (A) and water vapor permeability (B) of gelatin film and blend films

    图  8  纯明胶膜和复合膜对DPPH和ABTS自由基的清除率

    Figure  8.  Scavenging rate of DPPH and ABTS radicals by gelatin film and blend films

    图  9  纯明胶膜和复合膜对大肠杆菌(A)和金黄色葡萄球菌(B)的抑菌效果

    Figure  9.  Antibacterial effect of gelatin film and blend films on Escherichia coli (A) and Staphylococcus aureus (B)

    表  1  纯明胶膜和复合膜的原料配比

    Table  1.   The formulations of gelatin film and blend films

    材料样品
    GelGel-NL20Gel-NL30Gel-NL40Gel-NL50
    明胶(g)4.003.863.793.723.66
    NL分散液(mL)20304050
    Span 80(g)0.0420.0630.0840.102
    甘油(g)0.80.80.80.80.8
    水(mL)100100100100100
    下载: 导出CSV

    表  2  纯明胶膜和复合膜的颜色

    Table  2.   Color of gelatin film and blend films

    样品颜色不透明度
    L*a*b*ΔE
    Gel91.31±0.17d0.31±0.02e2.23±0.12a1.72±0.02a0.37±0.06a
    Gel-NL2090.63±0.09c0.22±0.01d3.04±0.22b1.76±0.11a1.85±1.37b
    Gel-NL3090.32±0.10b0.13±0.01c3.81±0.19c2.36±0.09b2.07±0.14b
    Gel-NL4090.16±0.06ab0.11±0.01b4.14±0.14c2.46±0.06b4.38±0.31c
    Gel-NL5090.05±0.08a0.08±0.01a4.60±0.26d2.97±0.07c5.61±0.21d
    注:同列不同小写字母表示差异显著(P<0.05),表3同。
    下载: 导出CSV

    表  3  纯明胶膜和复合膜的抑菌活性

    Table  3.   Antibacterial activity of gelatin film and blend films

    样品抑菌圈(mm)
    大肠杆菌金黄色葡萄球菌
    Gel0.00a0.00a
    Gel-NL209.17±0.18b10.02±0.16b
    Gel-NL309.25±0.22b10.10±0.21b
    Gel-NL409.45±0.25b10.35±0.18b
    Gel-NL5010.00±0.20b11.10±0.12c
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-02-14
  • 网络出版日期:  2022-10-21
  • 刊出日期:  2022-11-23

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